const createParams=function (content,params){
    Object.keys(params).forEach(item=>{
        content[item]=params[item]
    })
}
export function getNum(num,max,min){
    let data=[];
    for(let i=0;i<num;i++){
        data.push(parseInt(Math.random()*(max-min+1)+min,10))
    }
    return  data;
}
export default {
    createParams
}
export function createFile(flow, fileName = '') {
    const blob = new Blob([flow])
    const blobUrl = window.URL.createObjectURL(blob)
    const a = document.createElement('a')
    a.style.display = 'none'
    if(fileApplication[flow.type]){
        const ext=fileApplication[flow.type]?fileApplication[flow.type]:'*';
        a.download = Date.now() + fileName+'.'+ext;
        a.href = blobUrl
        document.body.appendChild(a);
        a.click();
        document.body.removeChild(a);
        return true;
    }else{
        return false;
    }
}

const fileApplication = objectReduce({
    xls: 'application/vnd.ms-excel',
    xlsx: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
    csv: 'text/csv',
    doc: 'application/msword',
    docx: 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
    pdf: 'application/pdf',
    ppt: 'application/vnd.ms-powerpoint',
    pptx: 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
    png: 'image/png',
    gif: 'image/gif',
    jpeg: 'image/jpeg',
    jpg: 'image/jpeg',
    mp3: 'audio/mpeg',
    aac: 'audio/aac',
    html: 'text/html',
    css: 'text/css',
    js: 'text/javascript',
    json: 'application/json',
    abw: 'application/x-abiword',
    arc: 'application/x-freearc',
    avi: 'video/x-msvideo',
    azw: 'application/vnd.amazon.ebook',
    bin: 'application/octet-stream',
    bmp: 'image/bmp',
    bz: 'application/x-bzip',
    bz2: 'application/x-bzip2',
    csh: 'application/x-csh',
    eot: 'application/vnd.ms-fontobject',
    epub: 'application/epub+zip',
    htm: 'text/html',
    ico: 'image/vnd.microsoft.icon',
    ics: 'text/calendar',
    jar: 'application/java-archive',
    jsonld: 'application/ld+json',
    mid: 'audio/midi audio/x-midi',
    midi: 'audio/midi audio/x-midi',
    mjs: 'text/javascript',
    mpeg: 'video/mpeg',
    mpkg: 'application/vnd.apple.installer+xml',
    odp: 'application/vnd.oasis.opendocument.presentation',
    ods: 'application/vnd.oasis.opendocument.spreadsheet',
    odt: 'application/vnd.oasis.opendocument.text',
    oga: 'audio/ogg',
    ogv: 'video/ogg',
    ogx: 'application/ogg',
    otf: 'font/otf',
    rar: 'application/x-rar-compressed',
    rtf: 'application/rtf',
    sh: 'application/x-sh',
    svg: 'image/svg+xml',
    swf: 'application/x-shockwave-flash',
    tar: 'application/x-tar',
    tif: 'image/tiff',
    tiff: 'image/tiff',
    ttf: 'font/ttf',
    txt: 'text/plain',
    vsd: 'application/vnd.visio',
    wav: 'audio/wav',
    weba: 'audio/webm',
    webm: 'video/webm',
    webp: 'image/webp',
    woff: 'font/woff',
    woff2: 'font/woff2',
    xhtml: 'application/xhtml+xml',
    xml: 'text/xml',
    xul: 'application/vnd.mozilla.xul+xml',
    zip: 'application/zip'
})
function objectReduce(obj) {
    let data = {}
    Object.keys(obj).forEach((item, index) => {
        data[obj[item].toString()] = item;
    })
    return data;
}
